For a substance, density, solubility and melting point are examples of: w) physical properties x) amorphous properties y) chemical properties z) potential properties

For a substance, density, solubility and melting point are examples of: w) physical properties x) amorphous properties y) chemical properties z) potential properties
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ANSWER: W -- PHYSICAL PROPERTIES
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Refractory metals are known for which of the following properties: w) lack of chemical reactivity x) low density y) high melting point z) high thermal conductivity

Description : Refractory metals are known for which of the following properties: w) lack of chemical reactivity x) low density y) high melting point z) high thermal conductivity

Last Answer : ANSWER: Y -- HIGH MELTING POINT

Diamond has each of the following properties except: w) extreme hardness x) ability to conduct electricity y) high melting point z) tendency to burn in air

Description : Diamond has each of the following properties except: w) extreme hardness x) ability to conduct electricity y) high melting point z) tendency to burn in air

Last Answer : ANSWER: X -- ABILITY TO CONDUCT ELECTRICITY 

As one goes across a period in the periodic table, the ionization energy generally increases for one of the following reasons. Is it because of the increasing w) atomic radius x) melting point y) nuclear charge z) density

Description : As one goes across a period in the periodic table, the ionization energy generally increases for one of the following reasons. Is it because of the increasing w) atomic radius x) melting point y) nuclear charge z) density

Last Answer : ANSWER: Y -- NUCLEAR CHARGE

A colligative property depends on: w) chemical properties of particles in system x) physical properties of particles in system y) number of particles present in system z) all of the above

Description : A colligative property depends on: w) chemical properties of particles in system x) physical properties of particles in system y) number of particles present in system z) all of the above

Last Answer : ANSWER: Y -- NUMBER OF PARTICLES PRESENT IN SYSTEM

Consider (R)- and (S)-2-butanol. Which physical property distinguishes the two compounds? (a) melting point(b) solubility in common solvents(c) Rotation of plane-polarized light(d) Infrared spectrum

Description : Consider (R)- and (S)-2-butanol. Which physical property distinguishes the two compounds? (a) melting point (b) solubility in common solvents (c) Rotation of plane-polarized light (d) Infrared spectrum

Last Answer : Rotation of plane-polarized light

If a material has the capacity to behave either as an acid or a base it is said to be: w) amorphous x) amphoteric y) anhydrous z) aklaline

Description : If a material has the capacity to behave either as an acid or a base it is said to be: w) amorphous x) amphoteric y) anhydrous z) aklaline

Last Answer : ANSWER: X -- AMPHOTERIC

Which of the following substances is classified as amorphous? w) glass x) Zinc y) diamond z) sodium chloride

Description : Which of the following substances is classified as amorphous? w) glass x) Zinc y) diamond z) sodium chloride

Last Answer : ANSWER: W -- GLASS

How could you use the physical properties of melting and boiling point to identify a substance?

Description : How could you use the physical properties of melting and boiling point to identify a substance?

Last Answer : The melting point and boiling point of a pure substance are veryspecific numbers; knowing these allows you to narrow down thepossible identity of the substance.

To increase the solubility of a gas in a liquid as much as possible, we would use: w) low temperature and high pressure. x) high temperature and high pressure. y) high temperature and low pressure. z) low temperature and low pressure.

Description : To increase the solubility of a gas in a liquid as much as possible, we would use: w) low temperature and high pressure. x) high temperature and high pressure. y) high temperature and low pressure. z) low temperature and low pressure.

Last Answer : ANSWER: W -- LOW TEMPERATURE AND HIGH PRESSURE.

A negative heat of solution indicates that: w) an endothermic dissolving process occurs x) solute solubility increases with rising solution temperature y) solute solubility decreases with rising solution temperature z) super-saturation conditions exist

Description : A negative heat of solution indicates that: w) an endothermic dissolving process occurs x) solute solubility increases with rising solution temperature y) solute solubility decreases with rising solution temperature z) super-saturation conditions exist

Last Answer : ANSWER: Y -- SOLUTE SOLUBILITY DECREASES WITH RISING SOLUTION TEMPERATURE

Solubility of a gas in a liquid exhibits what type proportionality to the liquid temperature? w) direct x) inverse y) logarithmic z) exponential

Description : Solubility of a gas in a liquid exhibits what type proportionality to the liquid temperature? w) direct x) inverse y) logarithmic z) exponential

Last Answer : ANSWER: X -- INVERSE

"The solubility of a gas in a liquid is directly proportional to the pressure of the gas above the liquid" is a fair statem of: w) Dalton's secondary law x) Le Chatelier's solubility principle y) Henry's law z) none of the above

Description : "The solubility of a gas in a liquid is directly proportional to the pressure of the gas above the liquid" is a fair statem of: w) Dalton's secondary law x) Le Chatelier's solubility principle y) Henry's law z) none of the above

Last Answer : ANSWER: Y -- HENRY'S LAW

Which of the following is NOT a general property of hydroxide bases in aqueous solution? w) High solubility x) Bitter taste y) Ability to neutralize aqueous acid solutions z) Ability to change phenolphthalein from colorless to red

Description : Which of the following is NOT a general property of hydroxide bases in aqueous solution? w) High solubility x) Bitter taste y) Ability to neutralize aqueous acid solutions z) Ability to change phenolphthalein from colorless to red

Last Answer : ANSWER: W -- HIGH SOLUBILITY (The hydroxides of the alkali metals are soluble in water but all the other metal hydroxides are only moderately or sparingly soluble.)

The critical temperature is the temperature: w) above which a substance cannot be vaporized x) at which the density is a minimum y) at which solid, liquid, and vapor are in equilibrium z) above which the substance cannot be liquified.

Description : The critical temperature is the temperature: w) above which a substance cannot be vaporized x) at which the density is a minimum y) at which solid, liquid, and vapor are in equilibrium z) above which the substance cannot be liquified.

Last Answer : ANSWER: Z -- ABOVE WHICH THE SUBSTANCE CANNOT BE LIQUIFIED. 

Reaction between X and Y forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z? A) Has high melting point B) Has low melting point C) Conducts electricity in molten state D) Occurs as solid

Description : Reaction between X and Y forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z? A) Has high melting point B) Has low melting point C) Conducts electricity in molten state D) Occurs as solid

Last Answer : B) Has low melting point

The energy required to melt one mole of a solid at its melting point is called one of the following. w) the molar heat of fusion x) the molar hear of vaporization y) the molar heat of capacity z) the melting point

Description : The energy required to melt one mole of a solid at its melting point is called one of the following. w) the molar heat of fusion x) the molar hear of vaporization y) the molar heat of capacity z) the melting point

Last Answer : ANSWER: W -- THE MOLAR HEAT OF FUSION

The metallic element with the highest melting point is: w) Ta x) W y) Rh z) Mo

Description : The metallic element with the highest melting point is: w) Ta x) W y) Rh z) Mo

Last Answer : ANSWER: X -- W

Which of the following substances would be expecte to have the highest melting point? w) Potassium Bromide x) Iodine y) Methane z) Hydrogen Chloride

Description : Which of the following substances would be expecte to have the highest melting point? w) Potassium Bromide x) Iodine y) Methane z) Hydrogen Chloride

Last Answer : ANSWER: W -- POTASSIUM BROMIDE

Solids may be considered to be either crystalline noncrystalline. The basic difference between them is that a crystal, in contrast to a noncrystal: w) has a sharp melting point x) has an irregular array of atoms y) exhibits double refraction z) has a completely regular atomic or molecular structure

Description : Solids may be considered to be either crystalline noncrystalline. The basic difference between them is that a crystal, in contrast to a noncrystal: w) has a sharp melting point x) has an irregular array of atoms y) exhibits double refraction z) has a completely regular atomic or molecular structure

Last Answer : ANSWER: Z -- HAS A COMPLETELY REGULAR ATOMIC OR MOLECULAR STRUCTURE

Which noble gas has the highest melting point ? w) argon x) krypton y) xenon z) radon

Description : Which noble gas has the highest melting point ? w) argon x) krypton y) xenon z) radon

Last Answer : ANSWER: Z -- RADON

Which of the following is the same for both radioactive iodine and stable iodine? w) number of neutrons x) mass number y) half-life z) chemical properties

Description : Which of the following is the same for both radioactive iodine and stable iodine? w) number of neutrons x) mass number y) half-life z) chemical properties

Last Answer : ANSWER: Z -- CHEMICAL PROPERTIES

The substance whose chemical formula is CH3OH is known as w) carbonated water x) grain alcohol y) potable alcohol z) methanol

Description : The substance whose chemical formula is CH3OH is known as w) carbonated water x) grain alcohol y) potable alcohol z) methanol

Last Answer : ANSWER: Z -- METHANOL

Ordinary glass is not a/an (A) Amorphous isotropic material (B) Supercooled liquid (C) Material with sharp definite melting point (D) Electrical insulator

Description : Ordinary glass is not a/an (A) Amorphous isotropic material (B) Supercooled liquid (C) Material with sharp definite melting point (D) Electrical insulator

Last Answer : (C) Material with sharp definite melting point

The amount of heat required to change a boiling liquid to a gas at the same temperature depends on one of the following properties of the liquid. Does it depend on the liquid's: w) heat of fusion x) heat of vaporization y) temperature z) density

Description : The amount of heat required to change a boiling liquid to a gas at the same temperature depends on one of the following properties of the liquid. Does it depend on the liquid's: w) heat of fusion x) heat of vaporization y) temperature z) density

Last Answer : ANSWER: X -- HEAT OF VAPORIZATION

Which of the following physical properties is TRUE of most dense ceramic materials? w) high tensile strength x) good ductility y) high compressive strength z) high electrical conductivity

Description : Which of the following physical properties is TRUE of most dense ceramic materials? w) high tensile strength x) good ductility y) high compressive strength z) high electrical conductivity

Last Answer : ANSWER: Y -- HIGH COMPRESSIVE STRENGTH

Which of the following properties is lower for a solution than for the pure solvent? w) osmotic pressure x) vapor pressure y) temperature z) boiling point

Description : Which of the following properties is lower for a solution than for the pure solvent? w) osmotic pressure x) vapor pressure y) temperature z) boiling point

Last Answer : ANSWER: X -- VAPOR PRESSURE

Which of the following properties is greater for a solution than for the pure solvent? w) freezing point x) vapor pressure y) temperature z) boiling point

Description : Which of the following properties is greater for a solution than for the pure solvent? w) freezing point x) vapor pressure y) temperature z) boiling point

Last Answer : ANSWER: D -- BOILING POINT

Ice skating is possible and practical because of a unique property of water. Is it because: w) The coefficient of kinetic friction of steel on frozen water decreases with decreasing temperature x) Ice readily sublimes y) The melting point decreases with increasing pressure z) Ice is a good thermal insulator

Description : Ice skating is possible and practical because of a unique property of water. Is it because: w) The coefficient of kinetic friction of steel on frozen water decreases with decreasing temperature x ... sublimes y) The melting point decreases with increasing pressure z) Ice is a good thermal insulator 

Last Answer : ANSWER: Y -- THE MELTING POINT DECREASES WITH INCREASING PRESSURE 

Why is melting wax a physical properties of flammability is a chemical property?

Description : Why is melting wax a physical properties of flammability is a chemical property?

Last Answer : Melting is a physical property because the chemical composition remain unchanged.Flammability is a chemical property because involve a combustion reaction.

Give the term that describes different crystalline modifications of the same chemical substance. Is it: w) polymorphism x) isomorphism y) tetrahedral z) perovskite

Description : Give the term that describes different crystalline modifications of the same chemical substance. Is it: w) polymorphism x) isomorphism y) tetrahedral z) perovskite

Last Answer : ANSWER: W -- POLYMORPHISM

Compared to Chlorine, Bromine has: w) smaller atomic size x) higher density y) lower boiling point z) greater number of outer electrons

Description : Compared to Chlorine, Bromine has: w) smaller atomic size x) higher density y) lower boiling point z) greater number of outer electrons

Last Answer : ANSWER: X -- HIGHER DENSITY

Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The ratio of chemical potential to free energy of a pure substance at constant temperature and pressure is (A) 0 (B) 1 (C) ∞ (D) None of these

Description : Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The ratio of chemical potential to free energy of a pure substance ... temperature and pressure is (A) 0 (B) 1 (C) ∞ (D) None of these

Last Answer : (B) 1

In Celsius, the freezing point of a one-molal water solution of sodium phosphate, chemical formula Na3PO4, is expected to be: w) - 0.93 degrees Celsius x) - 1.86 degrees Celsius y) - 7.44 degrees Celsius z) - 3.72 degrees Celsius

Description : In Celsius, the freezing point of a one-molal water solution of sodium phosphate, chemical formula Na3PO4, is expected to be: w) - 0.93 degrees Celsius x) - 1.86 degrees Celsius y) - 7.44 degrees Celsius z) - 3.72 degrees Celsius

Last Answer : ANSWER: C -- (- 7.44 DEGREES CELSIUS)

The compound which would have the greatest molar effect on the colligative properties of a dilute solution would be: w) CaCl2 x) NaCl y) C6H12O6 z) Benzene

Description : The compound which would have the greatest molar effect on the colligative properties of a dilute solution would be: w) CaCl2 x) NaCl y) C6H12O6 z) Benzene

Last Answer : ANSWER: W -- CaCl2

Which of the properties listed below would you expect a solution to have if it is an acid? w) It feels slippery to the touch. x) It tastes bitter. y) It turns red litmus blue. z) It is a conductor of electricity.

Description : Which of the properties listed below would you expect a solution to have if it is an acid? w) It feels slippery to the touch. x) It tastes bitter. y) It turns red litmus blue. z) It is a conductor of electricity.

Last Answer : ANSWER: Z -- IT IS A CONDUCTOR OF ELECTRICITY.

Which of the following scientists hypothesized that it would be possible for particles to have wave-like properties ? Was it: w) Planck x) Heisenberg y) Einstein z) de Broglie

Description : Which of the following scientists hypothesized that it would be possible for particles to have wave-like properties ? Was it: w) Planck x) Heisenberg y) Einstein z) de Broglie

Last Answer : ANSWER: Z -- DE BROGLIE

Name the person who developed a table of elements which revealed regularities in elemental properties in 1869? w) Theodore Richards x) Antoine Lavoisier y) Dmitri Mendeleev z) Svante Arrhenius

Description : Name the person who developed a table of elements which revealed regularities in elemental properties in 1869? w) Theodore Richards x) Antoine Lavoisier y) Dmitri Mendeleev z) Svante Arrhenius

Last Answer : ANSWER: Y -- DMITRI MENDELEEV

A substance that accepts an electron pair is classified as a: w) bronsted-lowry acid x) bronsted-lowry base y) lewis acid z) lewis base

Description : A substance that accepts an electron pair is classified as a: w) bronsted-lowry acid x) bronsted-lowry base y) lewis acid z) lewis base

Last Answer : ANSWER: Y -- LEWIS ACID

Which of the following yields a substance other than glucose on degradation by water? w) Cellulose x) Glycogen y) Sucrose z) Maltose

Description : Which of the following yields a substance other than glucose on degradation by water? w) Cellulose x) Glycogen y) Sucrose z) Maltose

Last Answer : ANSWER: Y -- SUCROSE 

An Arrhenius acid is a substance that: w) donates protons x) accepts protons y) donates hydrogen ions to water z) donates hydroxide ions to water

Description : An Arrhenius acid is a substance that: w) donates protons x) accepts protons y) donates hydrogen ions to water z) donates hydroxide ions to water

Last Answer : ANSWER: Y -- DONATES HYDROGEN IONS TO WATER 

A crystallized substance containing water of crystallization is most appropriately termed: w) a hydrate x) an oxide y) a hydroxide z) a condensation crystal

Description : A crystallized substance containing water of crystallization is most appropriately termed: w) a hydrate x) an oxide y) a hydroxide z) a condensation crystal

Last Answer : ANSWER: W -- A HYDRATE

A mystical substance supposedly released during combustion was called: w) thermal flax x) ether y) caloric z) phlogiston (pron: flow-gis-ton)

Description : A mystical substance supposedly released during combustion was called: w) thermal flax x) ether y) caloric z) phlogiston (pron: flow-gis-ton)

Last Answer : ANSWER: Z -- PHLOGISTON

This noncombustible liquid in its dry form is noncorrosive to common metals except aluminum. About 90% of all of this material which is manufactured goes into the production of chlorofluorocarbons. Is this substance: w) carbon tetrachloride x) methylene chloride y) hydrogen chloride z) methyl fluoride

Description : This noncombustible liquid in its dry form is noncorrosive to common metals except aluminum. About 90% of all of this material which is manufactured goes into the production of chlorofluorocarbons. ... substance: w) carbon tetrachloride x) methylene chloride y) hydrogen chloride z) methyl fluoride

Last Answer : ANSWER: W -- CARBON TETRACHLORIDE

Among the following, the substance that is considered to be the earliest stage in coal formation is: w) sub-bituminous x) bituminous y) anthracite z) lignite

Description : Among the following, the substance that is considered to be the earliest stage in coal formation is: w) sub-bituminous x) bituminous y) anthracite z) lignite

Last Answer : ANSWER: Z -- LIGNITE

what All substances have characteristic properties. If one of these properties can be observed without changing the identity of the substance, it must be A. universal property. B. physical property. C. biological property. D. chemical property.?

Description : what All substances have characteristic properties. If one of these properties can be observed without changing the identity of the substance, it must be A. universal property. B. physical property. C. biological property. D. chemical property.?

Last Answer : B: Physical Property

In a physical change some of the first physical properties of the substance may be altered and the chemical composite remains the same true or false?

Description : In a physical change some of the first physical properties of the substance may be altered and the chemical composite remains the same true or false?

Last Answer : The chemical composition is unchanged.

In a physical change some of the physical properties of the substance may be altered and the chemical composition?

Description : In a physical change some of the physical properties of the substance may be altered and the chemical composition?

Last Answer : In a physical change, the chemical composition of a substance is never changed.

Which of the following would you measure using a calorimeter? w) specific heat x) weight y) specific gravity z) density

Description : Which of the following would you measure using a calorimeter? w) specific heat x) weight y) specific gravity z) density

Last Answer : ANSWER: W -- SPECIFIC HEAT

Buffer solutions show which one of the following traits: w) absorb acid and base with only small changes in pH x) indefinite stability y) high elasticity z) abnormal density

Description : Buffer solutions show which one of the following traits: w) absorb acid and base with only small changes in pH x) indefinite stability y) high elasticity z) abnormal density

Last Answer : ANSWER: W -- ABSORB ACID AND BASE WITH ONLY SMALL CHANGES IN pH

In quantum chemistry, a nodal surface: w) gives 99 percent contour surface for an orbital x) exists for a 1s orbital y) has quantum number l = 1 z) is an orbital surface on which the probability density is zero

Description : In quantum chemistry, a nodal surface: w) gives 99 percent contour surface for an orbital x) exists for a 1s orbital y) has quantum number l = 1 z) is an orbital surface on which the probability density is zero

Last Answer : ANSWER: Z -- IS AN ORBITAL SURFACE ON WHICH THE PROBABILITY DENSITY IS ZERO